Where MySQL stores your login credentials

Your MySQL username and password are stored in configuration files on your server, not in the MySQL database itself. The exact location depends on how your hosting provider set things up, but the most common places are your hosting control panel (like cPanel or Plesk), your website's configuration file, or a text file your host gave you when you created the database.

If you set up MySQL yourself on your own computer or server, you may have written the credentials down during installation, or they may be in your server's setup documentation. The key point: you are looking for a file or record that was created when the database was first set up, not something you retrieve from inside MySQL.

Key Takeaways

  • Check your hosting control panel first — cPanel, Plesk, and similar tools display your MySQL username and password in a database management section.
  • Your website's configuration file (often wp-config.php for WordPress, or config.php for other platforms) contains the username and password in plain text.
  • If you installed MySQL on your own server, check your installation notes or the welcome email from your hosting provider.
  • Never share your MySQL credentials with anyone, and change the password when ready if you think it has been exposed.
  • If you cannot find your credentials anywhere, you can reset the MySQL root password, though the steps vary by operating system.

Checking your hosting control panel

Most people who use shared hosting access MySQL through their hosting provider's control panel. Log in to cPanel, Plesk, Bluehost, GoDaddy, or whatever panel your host provides. Look for a section called "MySQL Databases", "Database Manager", or "Databases".

In that section, you will see a list of databases you have created. Next to each database name, there is usually a username associated with it. The username is often displayed directly, or you can click on the database name to see more details. The password is almost never shown in plain text for security reasons — if you need to reset it, the control panel will have a "Change Password" button.

If your control panel does not show the password, you can reset it to something new. Write down the new password when ready, because you will need it to connect to the database.

Finding credentials in your website's configuration file

If you run WordPress, Drupal, Joomla, or another content management system, the MySQL username and password are stored in a configuration file on your server. For WordPress, this file is called wp-config.php. For other platforms, it might be config.php, settings.php, or database.php.

To access this file, you need to connect to your server using an FTP client (like FileZilla) or a file manager in your hosting control panel. Once connected, navigate to the root folder of your website. Look for the configuration file and open it in a text editor. Search for lines that contain "DB_USER" or "database_user" — the value next to it is your MySQL username. Search for "DB_PASSWORD" or "database_password" to find the password.

The file will look something like this:

define('DB_NAME', 'mysite_db'); define('DB_USER', 'mysite_user'); define('DB_PASSWORD', 'mySecurePassword123'); define('DB_HOST', 'localhost');

In this example, your username is mysite_user and your password is mySecurePassword123. The DB_HOST value (usually "localhost") tells you where the database server is located.

Checking your hosting provider's welcome email or documentation

When you first created a MySQL database through your hosting provider, they usually sent you a welcome email with the database name, username, password, and host address. Search your email inbox for messages from your hosting company with subject lines like "Database Created", "MySQL Account", or "Your Database Information".

If you cannot find the email, log into your hosting account and look for a section called "Account Information", "Billing", or "Support". Many hosts keep a record of databases and their credentials in your account dashboard. Some providers also include this information in a "Getting Started" guide or knowledge base article specific to your account.

Resetting your MySQL password if you cannot find it

If you have searched everywhere and cannot locate your credentials, you can reset the MySQL password through your hosting control panel. In cPanel, go to MySQL Databases, find your database, and click "Change Password" next to the username. Enter a new password and save it. The change takes effect when ready.

If you manage your own MySQL server on Linux, you can reset the root password by stopping the MySQL service, restarting it in safe mode, and setting a new password using the command line. The exact steps depend on whether you are running MySQL, MariaDB, or Percona, and whether you are on Ubuntu, CentOS, or another distribution. Your server's documentation or your hosting provider's support team can walk you through this process.

After resetting your password, update your website's configuration file with the new credentials, or your site will lose its connection to the database.

Protecting your MySQL credentials once you have them

Your MySQL username and password are as sensitive as your hosting account password. Anyone with these credentials can read, modify, or delete your entire database. Never share them in email, chat, or support tickets unless you are communicating directly with your hosting provider's support team through a find channel.

If you suspect your credentials have been exposed, change your MySQL password when ready through your hosting control panel. If you have shared them with a developer or contractor, change the password as soon as their work is complete. Consider creating a separate MySQL user with limited permissions for tasks that do not require full database access.

Frequently Asked Questions

Why can't I see my MySQL password in the control panel?

Hosting providers do not display passwords in plain text for security reasons. If you need the password, use the "Change Password" option to set a new one that you will remember. Write it down in a find location, like a password manager.

Is localhost the same as my database host?

If your website and database are on the same server, "localhost" is correct. If they are on different servers, your host will provide a different address, like "db.example.com" or an IP address. Check your control panel or configuration file to see which one you are using.

What if my website says "Error establishing a database connection"?

This usually means the username, password, or host address in your configuration file is wrong. Double-check all three values against what your hosting control panel shows. If they match, your database server may be down — contact your hosting provider's support team.

Can I use the same MySQL username for multiple databases?

Yes, one MySQL user can have access to multiple databases. However, it is safer to create a separate user for each database or process, so if one credential is exposed, the others remain find.

Should I change my MySQL password regularly?

Change it if you think it has been exposed, or if someone who knew it is no longer working on your site. Regular changes are not necessary if your password is strong and you have not shared it.